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A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The length of each unit square i what meter
**Understanding Unit Squares and Area Calculation** 1. **Unit Squares in Geometry**: Unit squares are squares with a side length of one unit, commonly used in geometry to measure areas. They are fundamental in understanding the concept of area as they provide a simple way to fill up an entire region or shape. 2. **Diagram Explanation**: The image above contains a grid representing a rectangle divided into unit squares. This rectangle is 3 units wide and 7 units tall. Therefore, there are a total of 3 x 7 = 21 unit squares within this rectangle. 3. **Calculating Area Using Unit Squares**: To find the area of a rectangle using unit squares: - Count the number of rows (height) of unit squares. Here, there are 7 rows. - Count the number of columns (width) of unit squares. Here, there are 3 columns. - Multiply the height by the width. **Area = Height × Width = 7 units × 3 units = 21 square units** This calculation shows that the area of the rectangle is 21 square units, covering the entire interior of the rectangle with unit squares. Understanding and using unit squares to calculate area is a critical skill in geometry, as it provides a strong foundation for more advanced topics related to measurement and spatial understanding.
Transcribed Image Text:**Understanding Unit Squares and Area Calculation** 1. **Unit Squares in Geometry**: Unit squares are squares with a side length of one unit, commonly used in geometry to measure areas. They are fundamental in understanding the concept of area as they provide a simple way to fill up an entire region or shape. 2. **Diagram Explanation**: The image above contains a grid representing a rectangle divided into unit squares. This rectangle is 3 units wide and 7 units tall. Therefore, there are a total of 3 x 7 = 21 unit squares within this rectangle. 3. **Calculating Area Using Unit Squares**: To find the area of a rectangle using unit squares: - Count the number of rows (height) of unit squares. Here, there are 7 rows. - Count the number of columns (width) of unit squares. Here, there are 3 columns. - Multiply the height by the width. **Area = Height × Width = 7 units × 3 units = 21 square units** This calculation shows that the area of the rectangle is 21 square units, covering the entire interior of the rectangle with unit squares. Understanding and using unit squares to calculate area is a critical skill in geometry, as it provides a strong foundation for more advanced topics related to measurement and spatial understanding.
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